We are seeking an experienced Senior Java Backend Developer to join a group modernizing CitiDirect's Payment architecture. The ideal candidate will have a strong foundation in Core Java and extensive experience with Spring Framework, microservices architecture, Apache Kafka, MongoDB, and Oracle databases.
Key Responsibilities:
- Design, develop, and maintain robust, scalable, and high-performance Java-based backend services
- Architect and implement microservices using Spring Framework 6, Spring Boot 3 and Spring Cloud
- Design and implement event-driven architectures using Apache Kafka
- Work with MongoDB and Oracle - design schemas and optimize queries
- Implement and maintain comprehensive unit and integration tests
- Participate in code reviews and mentor junior developers
- Contribute to the continuous improvement of our development processes and best practices
Required Qualifications:
- 7+ years of experience in Java development, with a strong command of Core Java concepts
- Extensive experience with Spring Framework, including Spring Boot and Spring Cloud
- Proven track record of designing and implementing microservices architecture
- Experienced in Reactive programming
- Proficiency in working with Apache Kafka, including designing and implementing event-driven systems
- Strong experience with MongoDB, including schema design, complex queries, and performance optimization for large-scale applications
- Solid understanding of NoSQL database concepts and best practices
- Experience with Oracle databases and SQL, and performance optimization
- Expertise in RESTful API design principles
- Proficiency in writing unit and integration tests using frameworks like JUnit and Mockito
- In-depth knowledge of application security principles and experience implementing secure coding practices
- Expertise in implementing authentication and authorization in microservices architecture (OAuth 2.0, JWT etc.)
Preferred Qualifications:
- Familiarity with containerization technologies (e.g., Docker, Kubernetes)
- Experience with CI/CD pipelines and DevOps practices
- Understanding of Agile methodologies
- Solid understanding of payments industry, including various payment systems and processes
- Familiarity with ISO 20022 standards, and their application in payments messaging
- Contributions to open-source projects
Job Family Group: Technology
Job Family:Applications Development
Time Type:Full time
Primary Location:Jersey City New Jersey United States
Primary Location Full Time Salary Range:$142 320,00 - $213 480,00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills Please see the requirements listed above.
Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.
Anticipated Posting Close Date:sept 09, 2026
Automated Processing and AIWe use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.
Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.
